MSI EX400 Driver Download (Official)
The EX400 is a network device manufactured by MSI. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This version of "wlan_xp_ex400_nb.zip" has been downloaded 37 times with a user rating of 5 out of 5 stars, based on 10 reviews. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 29.2 MB.
Supported Models
EX400
11a/b/g Wireless LAN Mini PCI Adapter II
11b/g Wireless LAN Mini PCI Adapter
Atheros AR5001X+ Wireless Network Adapter
Atheros AR5002G Wireless Network Adapter
Atheros AR5002X Wireless Network Adapter
Atheros AR5004G Wireless Network Adapter
Atheros AR5004X Wireless Network Adapter
Manufacturers
Supported Operating Systems
Windows XP
File Name
Versions
7.6.0.239 (8-Sep-2008)
7.6.0.154 (2008-06-30) via .inf
7.6.0.239 (2008-06-27) via .inf
Additional Notes
WLAN Drivers for EX400
Uploaded By
Karthikkumar (DG Staff Member) on 18-Mar-2009
Device Hardware IDs
PCI\VEN_168C&DEV_0013&SUBSYS_04081468
PCI\VEN_168C&DEV_0013&SUBSYS_04171468
PCI\VEN_168C&DEV_0013&SUBSYS_1025168C
PCI\VEN_168C&DEV_0013&SUBSYS_1026168C
PCI\VEN_168C&DEV_0013&SUBSYS_1027168C
PCI\VEN_168C&DEV_0013&SUBSYS_1030168C
PCI\VEN_168C&DEV_0013&SUBSYS_1031168C
PCI\VEN_168C&DEV_0013&SUBSYS_1041168C
PCI\VEN_168C&DEV_0013&SUBSYS_1042168C
PCI\VEN_168C&DEV_0013&SUBSYS_1051168C
PCI\VEN_168C&DEV_0013&SUBSYS_1053168C
PCI\VEN_168C&DEV_0013&SUBSYS_12031259
Compatible IDs
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| WLAN(XP)-7.6.0.239/Install_CD/ISSetup.dll | 492.0 KB | 5 Apr 2007 |
| WLAN(XP)-7.6.0.239/Install_CD/_Setup.dll | 386.0 KB | 17 May 2006 |
| WLAN(XP)-7.6.0.239/Install_CD/data1.cab | 14.7 MB | 8 Jul 2008 |
| WLAN(XP)-7.6.0.239/Install_CD/data2.cab | 11.9 MB | 8 Jul 2008 |
| WLAN(XP)-7.6.0.239/Install_CD/default.ath | 5 bytes | 9 Jul 2008 |
| WLAN(XP)-7.6.0.239/Install_CD/layout.bin | 455 bytes | 8 Jul 2008 |
| WLAN(XP)-7.6.0.239/Install_CD/setup.exe | 453.7 KB | 8 Jul 2008 |
| WLAN(XP)-7.6.0.239/Install_CD/setup.ini | 784 bytes | 8 Jul 2008 |
| WLAN(XP)-7.6.0.239/ndis5x/athw.sys | 1.3 MB | 27 Jun 2008 |
| WLAN(XP)-7.6.0.239/ndis5x/netathw.cat | 34.4 KB | 4 Jul 2008 |
| WLAN(XP)-7.6.0.239/ndis5x/netathw.inf | 155.4 KB | 27 Jun 2008 |
| WLAN(XP)-7.6.0.239/ndis5x64/athwx.sys | 1.7 MB | 27 Jun 2008 |
| WLAN(XP)-7.6.0.239/ndis5x64/netathwx.cat | 34.4 KB | 4 Jul 2008 |
| WLAN(XP)-7.6.0.239/ndis5x64/netathwx.inf | 215.4 KB | 27 Jun 2008 |
| WLAN(XP)-7.6.0.239/ndis6x/athr.sys | 917.5 KB | 30 Jun 2008 |
| WLAN(XP)-7.6.0.239/ndis6x/athrext.cat | 38.7 KB | 2 Jul 2008 |
| WLAN(XP)-7.6.0.239/ndis6x/athrextx.cat | 38.7 KB | 2 Jul 2008 |
| WLAN(XP)-7.6.0.239/ndis6x/athrx.sys | 1.1 MB | 30 Jun 2008 |
| WLAN(XP)-7.6.0.239/ndis6x/netathr.inf | 116.9 KB | 30 Jun 2008 |
| WLAN(XP)-7.6.0.239/ndis6x/netathrx.inf | 117.2 KB | 30 Jun 2008 |
How to Update EX400 Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the EX400 driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter MSI EX400 into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the MSI Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the MSI website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
How to Open Device Manager
In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
How to Install a driver from Device Manager
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.